Performance is characterized by the amount of useful work accomplished by a computer system compared to the time and resources used (Wikipedia).

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3
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1answer
1k views

Android 4.0.3 sluggish: nandd process hogging CPU

I have an Allwinner A10 tablet clone. While working the tablet "freezes" regularly but not too frequently for a strech of time between 2 and 15 seconds. Described differently: the tablet is useable ...
2
votes
1answer
9k views

Android on Samsung Galaxy Duos is too slow

I've bought a Samsung Galaxy Duos GT-S7562 with Android 4.0.4 3 months ago. The phone is so slow and getting slower by the ay, it has become almost useless. For instance, to look up and call a contact ...
0
votes
1answer
1k views

Sony Xperia E1 D2005 Custom Recovery&CustomROM Flashing?

I want to flash a custom ROM and install custom recovery; but when I enter ROMmanager (my device is rooted) and try to install CRW or TWRP it says "custom recovery does not support D2005 (sony xperia ...
0
votes
1answer
43 views

Impact of android version on phone performance

I pondering whether I should upgrade my Android system, or stick to my current one. Is there any reference website that would list Android devices and see how different Android versions compare in ...
0
votes
1answer
241 views

How to uninstall Android upgrade

I was asked by my Galaxy Grand to update. It was a 608 MB build update. After done , now I got Android Jelly-bean 4.2.2 . It is making my phone very slow and uses too much phone memory. Want to ...
0
votes
1answer
102 views

Developing applications under Cyanogenmod? How compatible to vanila Android? (Nexus devices)

If I am to develop (and test) my application under Cyanongenmod (base install, without any additional changes), how confident can I be that I would see similar performance of my application on the ...
0
votes
1answer
36 views

Poor Performance at Low Battery

I'm having an issue where my phone gets sluggish and non-responsive when the battery level gets to around 35% or less. Apps will freeze, it will take the keyboard a long time to appear, and the ...
0
votes
1answer
2k views

Samsung Note 2 slow down

I find my note 2 is getting slower and slower after using it for 1 year. Is there anything I can do to make my phone run normally/faster. It looks like the memory is approaching to the max usage. Is ...
0
votes
1answer
330 views

Will flashing a custom fix lag on my Android?

I have a 1 GB RAM tablet running a pretty much vanilla Android Jelly Bean 4.1.1 and it's been running very slow. Apps startup time have been slow, noticeable lag exists while scrolling between the ...
0
votes
1answer
779 views

High CPU usage from UEventObserver and inputmethod.latin (Nexus S)

I have kept my Google Nexus S up to date with the latest Android O/S since I've owned it and its always had performance problems to varying degrees. I'm currently running: Android version: 4.1.2 ...
0
votes
1answer
507 views

Sony Reader PRS-T1 becomes unresponsive

My Sony Reader PRS-T1 based on Android 2.2 is acting funny. I had rooted it in the past but is now in the "original" state, upgraded with the latest official firmware. The problem is that many ...
-1
votes
1answer
53 views

Can i read the RAM and CPU usage of other applications-Android

I want to know whether is it possible to monitor the CPU, RAM, Network and Battery usage of each and every application installed in my device through my application dynamically? Does Android's ...
3
votes
0answers
9k views

Why is my Xperia U slow?

I have a Sony Xperia U running Android 4.0.4 ICS. The problem is that it runs really slowly. It is particularly bad while multi-tasking. While listening to music, if I get a phone call, it hangs. ...
2
votes
0answers
249 views

LG G2 getting sluggier by the day

I'm not sure if this is specific to this model or not, but I am having troubles understanding how four cores of over 2GHz can perform so miserably slow. During the last few days, it's gotten to the ...
2
votes
0answers
548 views

HTC desire x issues after update to Android 4.1 Sense 4+

Ever since I installed the update to 4.1 I've been having major issues with my desire x. The keyboard disappears frequently while typing, sometimes I can't get it back without closing the app and ...
2
votes
0answers
124 views

Do Android devices become slower with time?

I own a Galaxy S (2.3.5 / GT-I9000 / BVJV3) and use it since two and a half years. I also have bought more recent hardware, like an iPad Mini and a more recent Android tablet, which comparatively are ...
2
votes
0answers
3k views

Samsung Galaxy S has become very slow

My phone recently has begun to become very slow. At certain times of the day, the phone will completely stop working and will have to be turned off by holding the power button. Sometimes, the lock ...
1
vote
0answers
71 views

What can be possibly slowing down my phone?

I currently have a Samsung Galaxy S3. As the title says, the phone has slowed quite a bit. And by a bit I mean a lot. It has gotten to a point where sometimes I cannot even unlock the screen because ...
1
vote
0answers
88 views

Analyse performance / profile Android System? Why is the system slow?

My Android 4.2.1 tablet is slow, it wasn’t when purchased. As the reason is often the software, I was looking for a tool to analyse the performance of the whole system, but couldn’t find any. What I ...
1
vote
0answers
345 views

Android TOP command CPU usage

I'm running a simple command line audio processing program in a shell on my Nexus 10 (Android 4.4.2), and want it to consume 100% CPU while it runs. The reason being, if I know it used 100% CPU, I can ...
1
vote
0answers
563 views

Explain the ondemand CPUFreq governor parameters in SAMSUNG galaxy S4?

I am trying to understand how does the onDemand CPUFreq governor works. I have a SAMSUNG S4 device and I looked into the following file to see the tuneable parameters of SAMSUNG Glaxy S4 GT-i9505 ...
1
vote
0answers
247 views

TRIM command operability in Android 4.3

Has anyone been able to confirm the usage and operability of the fstrim (TRIM) functionality in the latest Android 4.3 (Jelly Bean) release? I have seen multiple articles mention the operability of ...
1
vote
0answers
6k views

HTC One V really slow

I bought my HTC One V exactly one year ago, at first everything went really smoothly and it worked like a charm. It didn't take long before the phone crashed from an unexpected error. The phone spent ...
1
vote
0answers
911 views

My OS and phone freeze and lag every time the blue “Show CPU Usage” bar appears. What is it?

Lately, I've been experiencing the very unpleasant phenomenon of my almost new S3 completely locking up and stopping responding to input. It's like a very serious lag that has to either be waited out, ...
1
vote
0answers
882 views

Android Ice Cream Sandwich Performance on HTC Vision / Desire Z

I've got a HTC Vision / Desire Z (aka. T-Mobile G2), and I flashed a custom Android Ice Cream Sandwich (ICS) 4.0 ROM on it. Unfortunately, performance leaves a lot to be desired. I've tried the ...
1
vote
0answers
507 views

Nexus S: slow, jerky web browser scrolling in ICS (compared to Gingerbread)

My Nexus S was OTA-upgraded yesterday to Ice Cream Sandwich 4.0.3 from 2.3 (Gingerbread), and I'm still finding my way around. One problem I've noticed has been web browser performance, particularly ...
0
votes
0answers
5 views

Is it normal that my tablet is slower after having upgraded?

I have a Samgung Galaxy Tab 10.1. I don't remember the version of Android it had when I got it, but in any case I rooted it and upgraded it to Kitkat 4.4.2. However, the performance has been ...
0
votes
0answers
11 views

Motorola Droid 3 slows down after 2 years

I was using Motorola Droid 3 for about 2 years and when I just bought it, it was very fast and worked without any lags. Now it is very slow, although it is running MiniMoto firmware instead of stock ...
0
votes
0answers
16 views

create intentionally high cpu load with ADB command

I am testing my app for its performance under load. I would like to observe my app running with a minimum of other processes running and then while it is competing with other processes for CPU. is ...
0
votes
0answers
146 views

Slow home screen load, applications restarting

The problem has a few symptoms. 1) Whenever I return to the home screen it takes a few seconds to redraw. 2) Most applications restart when I switch back and forth between them. 3) If I go to the ...
0
votes
0answers
516 views

Very specific Asus MeMO Pad HD 7 Wi-Fi problem

I've got a fairly odd problem and have not been able to find a solution for months... I have n Asus MeMO pad HD 7 (ME173X) running Android 4.2.2 which usually does just fine connecting to Wi-fi to ...
0
votes
0answers
71 views

Android extremely slow when USB Debugging

Whenever my android device is plugged into my computer with USB Debugging enabled, it (the entire device: all apps, etc.) becomes extremely slow. I need USB Debugging enabled to install and debug ...
0
votes
0answers
50 views

Does Android indeed need defragment?

I have recently format(not just wiping) userdata partition on Note 2 N7100 and Tab 7.7 P6800. I also restore /data using nandroid and restore internal sdcard by manually copying files. I notice that ...
0
votes
0answers
754 views

What is filling my phone's RAM, if not apps?

My Galaxy S3 has gone from snappy to slow over the past few weeks: When I open or change apps it reacts very slowly. When the app is running that app is working fine. It resembles having too little ...
0
votes
0answers
55 views

phone becomes extremely slow when internal storage usage reaches around 50%

I flashed my android phone many times recently using odin, my phone is a Galaxy Grand Duos. Then I finally got it working. but I found the problem as described in the title. What could possibly be the ...
0
votes
0answers
91 views

Update to 4.2.2 slowed down my Samsung Galaxy Grand

Recently, my phone got updated to 4.2.2 and now it has terribly slowed down. I don't know what is the problem but opening a single application takes hell lot of time. Should I do factory reset or is ...
0
votes
0answers
470 views

Why is the screen rotation slow and freezing the screen?

I have a Samsung Galaxy note 10.1, and the screen rotation before was noticeably quicker. It just recently started to take another second or two to rotate. On top of that, everything on screen will ...
0
votes
0answers
40 views

Run apps at half-size

I have an Android tablet (TF101) which runs really slow, especially with games like Asphalt 8. I was wondering if I could run the slow apps at half-size, so they would run faster. Is there any way to ...
0
votes
0answers
12 views

How to restrict uploading the benchmark tool result to their server?

I downloaded 3rd party benchmark application like Antutu , for checking my phone performance .but i don't want to upload my phone result to their server . Is their any way to restrict uploading the ...
0
votes
0answers
504 views

Why does installing applications freeze my DroidX running Froyo 2.2?

I noticed recently that installing any applications caused my Droid X (Stock rooted Froyo 2.2) to freeze for a while - I mean completely freeze, can't go to home screen or pull down Notification bar ...